ProCopter is a superb 2ch indoor Digital Radio Controlled ("Not Infra Red") Micro Helicopter on 2.4 GHz that handles brilliantly.Weighing in at only 13gm's this superb Micro Heli uses advanced electronic mixing and model style fly bar system to deliver its incredibly smooth, stable, realistic flight performance. It also features electronic audible flight trims and onboard transmitter charging for ease of use, achieving 7~8 minute flights from a 20 minute charge.There may be other indoor helicopters around but none has the smooth, stable flight characteristics or precision control of Yuneec's ProCopter